Sprinter Blessing Okagbare is out of the Tokyo Olympics after being suspended for failing a drugs test.

The Nigerian had won her 100m heat on Friday and was due to race in the semi-finals on Saturday.

The Athletics Integrity Unit (AIU) said the 32-year-old had tested positive for a human growth hormone following an out-of-competition test on 19 July.

The AIU saidexternal-link Okagbare was notified of her provisional suspension on Saturday.

It added it would not be making any further comment at this stage.